francisco we have scott blakeman he is a political comedian and commentator and in paris we cross to rachel marston she's a political communications strategist and a syndicated columnist right cross talk rules in effect to this the very delicate subject and it's really taking the attention of the american people here we heard president obama talking about it that something has to change scott in san francisco do you think that's possible is the mood change enough to change a culture of violence in america absolutely i think that the horrific shooting in newtown connecticut really is the tipping point and things have already changed first of the nash.